Description
The Timney 49er Ambidextrous Safety Selector is one of those upgrades that punches way above its size. It gives you a choice between a snappy 49-degree short throw and the standard 90-degree lever, so you can set up your rifle around how you actually run it. That short throw shines if you shoot with a high, thumb-forward grip, letting you flick the safety on and off without breaking your hold or repositioning your hand.
What Makes the 49er Safety Selector Tick
This is a true drop-in part that works with any Mil-Spec AR-15 lower receiver, so there's no fitting, filing, or gunsmithing involved. It's precision machined from heat-treated steel for real durability, and it ships with a replacement detent spring plus a carbo-nitride coated safety plunger. That coating is the secret sauce behind the buttery-smooth throw and the crisp, positive click you feel at both safe and fire. Folks who've swapped out other short-throw selectors tend to notice the fit and finish and that tactile engagement right away.
Ambi When You Want It, Single-Sided When You Don't
The 49er comes with an ambidextrous arm on the right side, which is a big deal for lefties and for anyone running support-hand drills. If you'd rather keep things simple, Timney includes an end plate that lets you pull the ambi arm and blank off that side to run it as a standard single-sided safety. It's a nice bit of flexibility that means one part covers a lot of different build preferences.
Timney 49er Build Quality You Can Feel
Timney has a long reputation in the AR world, and this selector carries that same reputation for hand-checked quality and clean machining. It's made in the USA and backed by Timney's lifetime warranty, so it's the kind of small part you install once and stop thinking about. Whether you're finishing a fresh build or refreshing a tired factory selector, the 49er is a straightforward way to add speed and a better feel to your controls.
Key Specifications
- Manufacturer: Timney
- Model: 49er
- Manufacturer Part Number: AR 49ER-Safety
- UPC: 081950068371
- Finish: Matte Black
- Material: Heat-Treated Steel
- Throw Options: 49-Degree Short Throw or 90-Degree Standard
- Handedness: Ambidextrous (convertible to single-sided)
- Platform Compatibility: Mil-Spec AR-15 Lower Receivers
- Installation: True Drop-In, No Gunsmithing
- Plunger Coating: Carbo-Nitride
- Country of Origin: Made in USA
- Warranty: Lifetime
- Shipping Weight: 0.09 lbs
What’s Included
- Timney 49er ambidextrous safety selector (black)
- Ambidextrous arm
- End plate for single-sided configuration
- Replacement detent spring
- Carbo-nitride coated safety plunger
Frequently Asked Questions
Will the Timney 49er safety selector fit my AR-15?
Yes, the 49er is a true drop-in part designed to work with any Mil-Spec AR-15 lower receiver. There's no fitting or gunsmithing required, so it goes right in where your factory selector was. If your lower is standard Mil-Spec, you're good to go.
What's the difference between the 49-degree and 90-degree throw?
The 90-degree throw is the traditional full sweep most AR safeties use, while the 49-degree short throw needs far less thumb travel to move between safe and fire. The short throw is popular with high, thumb-forward grips because you can flip it without repositioning your hand. The 49er lets you set it up either way based on your preference.
Can I run the Timney 49er as a single-sided safety instead of ambidextrous?
Absolutely. The 49er ships with an end plate that lets you remove the ambidextrous arm and blank off that side, turning it into a standard single-sided selector. That flexibility makes it a solid choice whether you want ambi controls or prefer to keep the right side of your receiver clean.
Is the Timney 49er hard to install?
Not at all. It installs the same way as a standard AR-15 selector, and it comes with the replacement spring and detent you'll need. Most builders find it a quick swap, and it includes everything to get that smooth, positive engagement Timney is known for.





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